DE2929324C3 - Verfahren zur Vorhersage der brauchbaren Lebensdauer von Siliciumnitridgegenständen - Google Patents
Verfahren zur Vorhersage der brauchbaren Lebensdauer von SiliciumnitridgegenständenInfo
- Publication number
- DE2929324C3 DE2929324C3 DE2929324A DE2929324A DE2929324C3 DE 2929324 C3 DE2929324 C3 DE 2929324C3 DE 2929324 A DE2929324 A DE 2929324A DE 2929324 A DE2929324 A DE 2929324A DE 2929324 C3 DE2929324 C3 DE 2929324C3
- Authority
- DE
- Germany
- Prior art keywords
- silicon nitride
- period
- test period
- article
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052581 Si3N4 Inorganic materials 0.000 title claims description 59
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims description 59
- 238000000034 method Methods 0.000 title claims description 14
- 230000003647 oxidation Effects 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 description 50
- 230000004584 weight gain Effects 0.000 description 29
- 235000019786 weight gain Nutrition 0.000 description 29
- 230000001590 oxidative effect Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Landscapes
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/926,609 US4151740A (en) | 1978-07-21 | 1978-07-21 | Silicon nitride life prediction method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2929324A1 DE2929324A1 (de) | 1980-01-31 |
| DE2929324B2 DE2929324B2 (de) | 1981-02-19 |
| DE2929324C3 true DE2929324C3 (de) | 1981-10-29 |
Family
ID=25453440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2929324A Expired DE2929324C3 (de) | 1978-07-21 | 1979-07-19 | Verfahren zur Vorhersage der brauchbaren Lebensdauer von Siliciumnitridgegenständen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4151740A (oth) |
| JP (1) | JPS5518997A (oth) |
| CA (1) | CA1122438A (oth) |
| DE (1) | DE2929324C3 (oth) |
| GB (1) | GB2026161B (oth) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58207726A (ja) * | 1982-05-28 | 1983-12-03 | Nec Corp | 半導体回路 |
| GB2132345B (en) * | 1982-12-15 | 1986-07-30 | Gen Electric | Method of determining corrosion properties of zirconium alloys |
| JPH03250559A (ja) * | 1990-02-28 | 1991-11-08 | Ushio Inc | ディンプル付白熱電球の製造方法 |
| US7448853B2 (en) * | 2005-04-12 | 2008-11-11 | Sundyne Corporation | System and method of determining centrifugal turbomachinery remaining life |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3292417A (en) * | 1964-01-23 | 1966-12-20 | Atlas Chem Ind | Thermogravimetric balance |
| US3357239A (en) * | 1965-08-10 | 1967-12-12 | Avco Corp | Gas turbine engine life indicator |
| DE2314954C3 (de) * | 1973-03-26 | 1982-08-26 | Brown, Boveri & Cie Ag, 6800 Mannheim | Anordnung zur laufenden Ermittlung und Überwachung der Lebensdauer von thermisch belasteten dickwandigen Bauelementen |
-
1978
- 1978-07-21 US US05/926,609 patent/US4151740A/en not_active Expired - Lifetime
-
1979
- 1979-06-22 CA CA330,344A patent/CA1122438A/en not_active Expired
- 1979-07-18 GB GB7925059A patent/GB2026161B/en not_active Expired
- 1979-07-19 DE DE2929324A patent/DE2929324C3/de not_active Expired
- 1979-07-20 JP JP9251179A patent/JPS5518997A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5518997A (en) | 1980-02-09 |
| DE2929324A1 (de) | 1980-01-31 |
| GB2026161A (en) | 1980-01-30 |
| US4151740A (en) | 1979-05-01 |
| DE2929324B2 (de) | 1981-02-19 |
| CA1122438A (en) | 1982-04-27 |
| GB2026161B (en) | 1983-02-09 |
| JPS6243489B2 (oth) | 1987-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |